45403857 has 12 divisors (see below), whose sum is σ = 66260740. Its totient is φ = 29956608.

The previous prime is 45403837. The next prime is 45403877. The reversal of 45403857 is 75830454.

It is an interprime number because it is at equal distance from previous prime (45403837) and next prime (45403877).

It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 8242641 = 6096^2 + 2871^2 .

It is not a de Polignac number, because 45403857 - 2¹¹ = 45401809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45403837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25132 + ... + 26877.

Almost surely, 2^45403857 is an apocalyptic number.

It is an amenable number.

45403857 is a deficient number, since it is larger than the sum of its proper divisors (20856883).

45403857 is a wasteful number, since it uses less digits than its factorization.

45403857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52112 (or 52109 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 45403857 is about 6738.2384196465. The cubic root of 45403857 is about 356.7502195535.

The spelling of 45403857 in words is "forty-five million, four hundred three thousand, eight hundred fifty-seven".